CN111862864B

CN111862864B - Display film, household appliance display screen, household appliance and manufacturing method

Info

Publication number: CN111862864B
Application number: CN201910662481.5A
Authority: CN
Inventors: 杨森
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-04-29
Filing date: 2019-07-22
Publication date: 2024-08-23
Anticipated expiration: 2039-07-22
Also published as: CN210378401U; CN111862864A

Abstract

The application provides a display film, a household appliance display screen, a household appliance and a manufacturing method. The display film is used for a display screen of the household appliance and comprises a base material, a plurality of color icons and a background layer which are distributed at intervals. The substrate is fully transparent or translucent and includes a first side and a second side opposite the first side. At least one color icon is disposed on the first side of the substrate, the at least one color icon comprising a plurality of different colors. The background layer is arranged on the first surface of the substrate and is positioned outside the area of the color icon. The household appliance display screen comprises a backlight and a display film. The household appliance comprises a household appliance display screen. The manufacturing method is used for manufacturing the display film of the household appliance display screen.

Description

Display film, household appliance display screen, household appliance and manufacturing method

Technical Field

The application relates to the field of display, in particular to a display film, a household appliance display screen, a household appliance and a manufacturing method.

Background

Some existing household appliances, such as household appliances like food processors, are single in color of displayed icons on interfaces, and the icons are abstract and difficult to identify, so that users are hard to understand. The mobile phone uses a color liquid crystal screen display interface, so that icons in the mobile phone are rich in color, visual in image, easy to understand and identify for users. However, the color liquid crystal display has high cost, and is difficult to popularize and apply in interface display of household appliances.

Disclosure of Invention

The application provides an improved display film, a household appliance display screen, a household appliance and a manufacturing method.

One aspect of the present application provides a display film for a display screen of a home appliance, comprising: a substrate that is fully transparent or translucent and includes a first face and a second face opposite the first face; a plurality of color icons which are distributed at intervals and are arranged on the first surface of the base material, wherein at least one color icon comprises a plurality of different colors; and a background layer arranged on the first surface of the base material and positioned outside the area of the color icon.

Another aspect of the present application provides a home appliance display screen, comprising: a backlight; and a display film.

Another aspect of the present application provides a home appliance, comprising: a display screen of the household appliance.

Another aspect of the present application provides a method for manufacturing a display film for a display screen of a home appliance, comprising: forming at least one color icon comprising a plurality of different colors on a first side of a fully transparent or translucent substrate; and forming a background layer outside the area of the color icon on the first surface of the substrate.

The display film provided by the embodiment of the application is provided with the color icons on the base material, at least one color icon comprises a plurality of different colors, the display film has low cost relative to a color liquid crystal screen, and meanwhile, the color icons can be displayed, and the display film is rich in color, visual in image, easy to understand by a user and more attractive and rich in visual appearance.

Drawings

FIG. 1 is a schematic view of a manufacturing process of an embodiment of a display film according to the present application;

FIG. 2 is a cross-sectional view of the display film of FIG. 1 taken along line A1-A1;

FIG. 3 is a black and white schematic of an example of a color icon;

FIG. 4 is a schematic view of a manufacturing process of another embodiment of the display film of the present application;

FIG. 5 is a cross-sectional view of the display film of FIG. 4 taken along line A2-A2;

FIG. 6 is a schematic view of a manufacturing process of another embodiment of the display film of the present application;

FIG. 7 is a cross-sectional view of the display film of FIG. 6 taken along line A3-A3;

FIG. 8 is a cross-sectional view of another embodiment of a display film of the present application;

FIG. 9 is an exploded perspective view of one embodiment of a display screen for a household appliance of the present application;

FIG. 10 is a side exploded view of the display screen of the household appliance of FIG. 9;

FIG. 11 is a schematic view showing a state of a display film of an embodiment of a display screen of a home appliance according to the present application;

FIG. 12 is a schematic view showing another state of the display film shown in FIG. 11;

FIG. 13 is a schematic view showing a state of a display film of another embodiment of a display screen of a home appliance according to the present application;

FIG. 14 is a schematic view showing another state of the display film shown in FIG. 13;

FIG. 15 is a schematic view showing still another state of the display film shown in FIG. 13;

FIG. 16 is a schematic view showing a state of a display film of another embodiment of a display screen of a home appliance according to the present application;

FIG. 17 is a schematic view showing another state of the display film shown in FIG. 16;

FIG. 18 is a schematic view showing still another state of the display film shown in FIG. 16;

FIG. 19 is a schematic view showing still another state of the display film shown in FIG. 16;

FIG. 20 is an exploded perspective view of another embodiment of a display screen for a household appliance according to the present application;

FIG. 21 is a side exploded view of the display screen of the home appliance of FIG. 20;

FIG. 22 is an exploded perspective view of another embodiment of a display screen for a household appliance according to the present application;

FIG. 23 is an exploded perspective view of another embodiment of a display screen for a household appliance according to the present application;

FIG. 24 is an exploded perspective view of another embodiment of a display screen for a household appliance according to the present application;

FIG. 25 is a schematic side exploded view of another embodiment of a display screen for a household appliance of the present application;

FIG. 26 is a schematic side exploded view of another embodiment of a display screen for a household appliance of the present application;

FIG. 27 is a schematic side exploded view of another embodiment of a display screen for a household appliance of the present application;

fig. 28 is a perspective view schematically showing an embodiment of the home appliance of the present application;

FIG. 29 is a flow chart of one embodiment of a method of making the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus consistent with aspects of the application as detailed in the accompanying claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" and the like means at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

The display film provided by the embodiment of the application is used for a display screen of a household appliance and comprises a base material, a plurality of color icons and a background layer which are distributed at intervals. The substrate is fully transparent or translucent and includes a first side and a second side opposite the first side. At least one color icon is disposed on the first side of the substrate, the at least one color icon comprising a plurality of different colors. The background layer is arranged on the first surface of the substrate and is positioned outside the area of the color icon.

The display film of some embodiments of the application is provided with the color icons on the substrate, at least one color icon comprises a plurality of different colors, the display film has low cost relative to a color liquid crystal screen, and meanwhile, the display film can display the color icons, has rich colors, is visual and visual, is easy for a user to understand, and is more attractive and rich in vision.

The household appliance display screen of some embodiments of the present application comprises a backlight and a display film.

The household appliance of some embodiments of the application comprises a household appliance display.

The manufacturing method of some embodiments of the present application is used for manufacturing a display film of a display screen of a household appliance, and includes: at least one color icon comprising a plurality of different colors is formed on a first side of a fully transparent or translucent substrate. The manufacturing method comprises forming a background layer outside the region of the color icon on the first surface of the substrate.

FIG. 1 is a schematic illustration of a manufacturing process of an embodiment of a display film 100 according to the present application. Fig. 2 is a cross-sectional view of the display film 100 shown in fig. 1 along line A1-A1. Referring to fig. 1 and 2, a display film 100 is used for a home appliance display screen. The home appliance display screen may be used for home appliances, which may include small home appliances, and the like. The display film 100 includes a substrate 101 and a plurality of color icons A, B, C, D spaced apart. The substrate 101 is fully transparent or translucent and includes a first face 111 and a second face 112 opposite the first face 111. The display film 100 includes a color icon layer 103, the color icon layer 103 being disposed on a first side 111 of the substrate 101. Color icon layer 103 includes color icons A, B, C, D. At least one color icon A, B, C, D includes a plurality of different colors. The at least one colored icon A, B, C, D includes a plurality of regions, at least two different regions displaying different colors. At the same time, at least one color icon A, B, C, D appears in a plurality of different colors, at least two different areas showing different colors. Under the same color of light, at least one color icon A, B, C, D appears in a plurality of different colors, and at least two different areas display different colors. The display film 100 has low cost relative to a color liquid crystal screen, can display color icons, has rich colors, is visual and visual, is easy to understand by a user, and is more attractive and rich in vision. In some embodiments, different colored icons A, B, C, D may represent different information, such as functions, etc. The plurality of color icons A, B, C, D distributed at intervals can intuitively and vividly display more information, so that the display screen of the household appliance intuitively displays more information, for example, can intuitively display multiple functions, is intuitive and vivid and is convenient to operate.

Fig. 1 is a schematic view from a first side 111 of a substrate 101. The household appliance display screen comprises a display surface facing a user. In one embodiment, the first side 111 of the substrate 101 is the side facing away from the display surface, and the second side 112 of the substrate 101 is the side facing the display surface. In another embodiment, the first side 111 of the substrate 101 is the side facing the display surface, and the second side 112 is the side facing away from the display surface.

In some embodiments, the substrate 101 may comprise a PET (Polyethylene terephthalate ) substrate, which is a film. The PET substrate has low cost and thin thickness, and the display film 100 made of the PET substrate can be arranged in a display screen of a household appliance. In other embodiments, the substrate 101 may comprise other film substrates. In other embodiments, the substrate 101 may comprise a PVC (Polyvinyl chloride ) substrate and/or a glass substrate. The hardness of the PVC base material and the glass base material is higher than that of the film base material such as the PET base material, the thickness of the PVC base material and the glass base material can be higher than that of the film base material such as the PET base material, a panel of a display screen of a household appliance can be omitted, and the display screen can be directly exposed on the appearance of a product. The PVC base material has low cost. The glass substrate is scratch-resistant, good in light transmittance and higher in product appearance.

In some embodiments, the substrate 101 is transparent or translucent, such that the color icon A, B, C, D is disposed on a side of the substrate 101 facing away from the user when the substrate 101 is used in a display screen of a household appliance, and the first side 111 faces away from the display surface, the color icon A, B, C, D is visible through the substrate 101, and the substrate 101 can protect the color icon layer 103. In this embodiment, the substrate 101 may be a fully transparent substrate. In other embodiments, the substrate 101 may be a translucent substrate. The transparency of "translucent" is between fully transparent and opaque.

The color icon A, B, C, D may be directly disposed on the first side 111 of the substrate 101, i.e., the color icon A, B, C, D is attached to the first side 111 of the substrate 101, and no other layer is disposed between the color icon A, B, C, D and the first side 111 of the substrate 101; or may be indirectly disposed on the first side 111 of the substrate 101, i.e., there may be other layers between the color icon A, B, C, D and the first side 111 of the substrate 101, with the color icon A, B, C, D disposed on the other layers of the first side 111 of the substrate 101. In the embodiment shown in fig. 1 and 2, the color icon A, B, C, D is attached to the first side 111 of the substrate 101, contacts the first side 111 of the substrate 101, and is directly disposed on the first side 111 of the substrate 101. The "upper" of some embodiments herein is not limited to one position or one spatial orientation. The expressions "on the substrate", "on the first side of the substrate", "on the side", and the like, of some embodiments herein may mean directly disposed, no other layers between two layers, or indirectly disposed, and other layers may be disposed between two layers.

In some embodiments, the color icon layer 103 is printed on the substrate 101, the color icon A, B, C, D is printed on the substrate 101, the printing process is simple, the cost is low, and the color icon A, B, C, D is not easily distorted, as or almost as the original is designed. Color icon A, B, C, D may be printed directly on the surface of substrate 101 or printed on other layers on substrate 101, i.e., there may be other layers between color icon A, B, C, D and substrate 101.

The color icon layer 103 includes one or more color icons A, B, C, D. The at least one colored icon A, B, C, D includes a plurality of regions, at least two different regions displaying different colors. In some embodiments, the different colors may include different colors of the three primary colors mixed in different proportions.

Fig. 3 is a black-and-white schematic diagram showing an example of the color icon 105. The color icon 105 includes a plurality of regions, such as regions 106-109 identified in fig. 3. The color of the region 106 representing juice in the cup in the color icon 105 may be orange, the region 107 representing orange may be orange, the region 108 representing strawberry may be red, and the region 109 representing leaf may be green. Different areas 106-109 of the color icon 105 may be different colors so that the color icon 105 presents multiple colors and is vivid. For illustrative purposes only, only partial areas 106-109 are labeled in FIG. 3, and the color icon 105 of FIG. 3 includes other areas not labeled, each of which may be a color that is similar to the physical object. Fig. 3 is only an example, and the practical application is not limited to this example, and the icon and its color may be designed according to the practical application.

With continued reference to fig. 1 and 2, in some embodiments, the colored icons A, B, C, D may represent functions, or the like. For example, the color icon 105 in fig. 3 may represent the function of making juice. Different colored icons A, B, C, D may represent different functions, such as soymilk, corn juice, rice paste, milkshake, etc. Color icon A, B, C, D may be in proximity to the object. The colored icons A, B, C, D may include logos, patterns, text, letters, and/or the like.

In some embodiments, at least two regions of color icon A, B, C, D (e.g., regions 106-109 in FIG. 3) are different in color and translucent, allowing backlight light to pass through. Under the illumination of backlight light, the color icons A, B, C, D can be more attractive and rich. In some embodiments, the color icon layer 103 is translucent, and the multiple areas of the color icon A, B, C, D are translucent, so that the color icon A, B, C, D is more clearly visible under the illumination of backlight light, and can be more attractive and richer. And in some embodiments, different backlight light modes (such as on or off, or flashing, etc.) can be utilized, so that the color icons A, B, C, D can indicate different states of the household appliance, and the indicated information is richer. In other embodiments, the color icon A, B, C, D is opaque.

In some embodiments, the color icon layer 103 may be formed on the substrate 101 by four-color printing, the color icon A, B, C, D may be formed on the substrate 101 by four-color printing, and the icon may be printed in a rich color. Four-color printing refers to printing with three primary colors (yellow, magenta, cyan) and black by subtractive color. In the embodiment shown in fig. 1, a color icon A, B, C, D is formed by four-color printing on one surface of the base material 101.

In other embodiments, the color graphic layer 103 may be sprayed onto the substrate 101 or adhered to the substrate 101 using a film or sheet material.

In some embodiments, the color icons A, B, C, D comprise visible color icons formed on the first side 111 of the substrate 101 that appear on the second side 112 of the substrate 101 in the absence of backlight illumination. In one embodiment, the substrate 101 is fully transparent, the visible color icons A, B, C, D are attached to the first side 111 of the substrate 101, and the visible color icons are directly printed on the first side 111 of the fully transparent substrate 101, with few processing steps and a thin display film 100. In use, the second side 112 of the substrate 101 faces the user, who views the colored icon A, B, C, D from the second side 112. A backlight (not shown) may be placed behind the first side 111 of the substrate 101, and may emit light to illuminate the visible color icons from the first side 111 of the substrate 101. When the backlight is not lit, a visible color icon is visible from the second side 112 of the substrate 101, but the icon is unlit; when the backlight emits light, the light can pass through the visible color icons, and the visible color icons are lighted. In the embodiment shown in fig. 1 and 2, the color icons A, B, C, D are both visible color icons. The visual color icons can be seen without lighting the backlight, the visual color icons are visual and vivid, the user can conveniently check and operate, and the electric quantity is saved.

In some embodiments, the display film 100 includes a background layer 102, the background layer 102 being disposed on the first side 111 of the substrate 101 outside the area of the color icon A, B, C, D. The background layer 102 and the color icon layer 103 are disposed on the same surface of the substrate 101, and the background layer 102 and the color icon A, B, C, D are disposed on the first surface 111 of the substrate 101. The background layer 102 and the color icons A, B, C, D are staggered and do not overlap, and the background layer 102 does not affect the light transmission of the color icons A, B, C, D. The background layer 102 may make the colored icons A, B, C, D appear visible and may make the appearance coordinated. The color of the background layer 102 may be coordinated and unified with the bezel of the display screen of the home appliance and/or the housing of the home appliance using the display film 100, so that the overall appearance is coordinated and beautiful.

The background layer 102 is at least partially disposed in a spaced area between the plurality of colored icons A, B, C, D to distinguish the plurality of colored icons A, B, C, D.

In some embodiments, the background layer 102 may be printed on the substrate 101. The background layer 102 may be printed directly on the surface of the substrate 101 or on other layers on the substrate 101, i.e. there may be other layers between the background layer 102 and the substrate 101. In other embodiments, the background layer 102 may be applied to the substrate 101 using other film or sheet materials.

In some embodiments, the background layer 102 is formed on the substrate 101 by screen printing. Screen printing includes a method of manufacturing a screen printing plate with a pattern by using a screen as a plate base and by a photosensitive plate making method. The screen printing method is applicable to various base materials, is not limited by the surface shape and the area of the base materials, and has high flexibility and applicability. The printing can be performed on either a soft substrate or a hard substrate by screen printing, and on a planar or non-planar (e.g., curved or spherical) substrate. As shown in fig. 1 (2), a background layer 102 is formed by screen printing in a region outside the color icon layer 103 of the base material 101.

In one embodiment, the background layer 102 includes an opaque light blocking layer formed over the colored icons A, B, C, D that does not allow light to pass through, making the colored icons A, B, C, D more visible under light illumination. In another embodiment, the background layer 102 may be translucent and the transparency of the background layer 102 may be lower than the transparency of the color icon A, B, C, D.

In some embodiments, the color of the background layer 102 may be the same as or close to the external color of the home appliance display screen and/or the home appliance using the display film 100, coordinating the appearance color of the home appliance. In one example, the background layer 102 is a black or silver gray light blocking layer.

Referring to fig. 2, the thickness of at least one color icon A, B, C, D does not exceed the thickness of the background layer 102, resulting in a thinner overall thickness of the display film 100. In the illustrated embodiment, the color icons A, B, C, D are embedded in the background layer 102, the thickness of the color icons A, B, C, D not exceeding the thickness of the background layer 102. In the illustrated embodiment, the background layer 102 is attached to the first side 111 of the substrate 101, and the thickness of the visible color icons does not exceed the thickness of the background layer 102. The visible color icons are attached to the first surface 111 of the substrate 101, and the background layer 102 and the visible color icons are directly disposed on the first surface 111 of the substrate 101, and the thickness of the visible color icons does not exceed the thickness of the background layer 102, so that the overall thickness of the display film 100 is thinner. In one embodiment, the thickness of the visible color icons is less than the thickness of the background layer 102.

In one embodiment, the thickness of at least one color icon A, B, C, D is less than the thickness of the background layer 102, the overall thickness of the display film 100 is thinner, and space can be left for other layers. In the illustrated embodiment, the thickness of the color icons A, B, C, D is less than the thickness of the background layer 102. In one embodiment, the side of the color icon A, B, C, D facing the substrate 101 may be flush with the side of the background layer 102 facing the substrate 101.

In some embodiments, the display film 100 includes a light-diffusing layer 104, where the light-diffusing layer 104 is disposed on a side of the color icons A, B, C, D facing away from the substrate 101, so that the light emitted from the color icons A, B, C, D is more uniform. In one embodiment, the light diffusion layer 104 is translucent to prevent light leakage, and may shield components, such as a backlight, located behind the display film 100 in a display screen of a home appliance using the display film 100 from being seen from the display film 100 by a user, improving the aesthetic appearance, and making the color icons A, B, C, D clear. As shown in fig. 1 (3), a light diffusion layer 104 is printed on the surface of the color icon layer 103 facing away from the substrate 101. In one embodiment, the light diffusing layer 104 may be screen printed using semi-opaque white ink. In another embodiment, the light diffusing layer 104 may be printed using a material containing light diffusing particles.

In some embodiments, the side of the light-diffusing layer 104 facing away from the color icons A, B, C, D is flush with the side of the background layer 102 facing away from the substrate 101, revealing a smoother surface of the film 100.

In one embodiment, display film 100 includes opaque additional icons E formed on the surface of substrate 101, display film 100 displaying an information rich. One or more additional icons E may be provided. The additional icon E may be provided on at least one of the first side 111 and the second side 112 of the substrate 101. In the illustrated embodiment, the additional icon E is formed directly on the first side 111 of the substrate 101, attached to the first side 111. In other embodiments, the additional icon E is formed directly on the second side 112 of the substrate 101, attached to the second side 112. In other embodiments, at least one additional icon E is formed on the first side 111 of the substrate 101 and at least one additional icon E is formed on the second side 112 of the substrate 101. In other embodiments, other layers may be provided between the additional icon E and the surface of the substrate 101. In some embodiments, the additional icons E may include branding, instructional text, and/or instructional graphics, etc. The additional icon E may be a single color or a color including a plurality of colors.

The additional icon E may be printed on the surface of the substrate 101 as shown in fig. 1 (1). As shown in fig. 1 (2), a background layer 102 is formed on a surface of the additional icon E facing away from the substrate 101, and the background layer 102 shields the additional icon E. The background layer 102 may be a light-shielding layer, and the additional icon E is not visible from the side of the background layer 102 facing away from the substrate 101, which is indicated by a dashed line. In other embodiments, the background layer 102 may avoid the additional icon E, with the background layer 102 being staggered from the additional icon E.

In some embodiments, the color icon A, B, C, D may be formed on the surface of the substrate 101, followed by the additional icon E. In another embodiment, the additional icon E may be formed on the surface of the substrate 101, and then the color icon A, B, C, D may be formed. In some embodiments, the background layer 102 may be formed first, followed by the light diffusing layer 104. In other embodiments, the light diffusing layer 104 may be formed first, followed by the background layer 102.

Fig. 4 is a schematic view of a manufacturing process of another embodiment of the display film 200 according to the present application. Fig. 5 is a cross-sectional view of the display film 200 shown in fig. 4 along line A2-A2. The embodiment shown in fig. 4 and 5 is similar to the embodiment shown in fig. 1 and 2. In contrast to the embodiment shown in fig. 1 and 2, in the embodiment shown in fig. 4 and 5, the color icons A, B, C, D comprise hidden color icons formed on the first side 211 of the substrate 201, hidden color icons on the second side 212 of the substrate 201 being hidden in the absence of backlight illumination and appearing in the presence of backlight illumination. Under no backlight light illumination, the color icons A, B, C, D are not visible from the second side 212 of the display film 200, and the color icons A, B, C, D are hidden color icons. When the light of the backlight irradiates on the hidden color icon, the hidden color icon can be displayed. The second surface 212 of the substrate 201 faces the user, and after the display screen of the household appliance using the display film 200 is powered on, the backlight can be turned on or made to flash, so that the hidden color icons can be displayed, and when the ambient light is dark, the color icons can be seen, so that the user can conveniently view and operate. When no light irradiates, the hidden color icons are invisible, and the display page is concise. And when one of the hidden color icons is lightened or blinks, other color icons can be hidden without light irradiation, so that the page is concise and the interference information is less.

In fig. 4 (1), an additional icon E is provided on the substrate 201, and the additional icon E is similar to the additional icon E shown in fig. 1 and will not be described again.

In one embodiment, as shown in fig. 4 (2), the display film 200 includes a translucent under-color layer 208 formed on a first surface 211 of the substrate 201, and the hidden color icons are formed on a surface of the under-color layer 208 facing away from the substrate 201, and the substrate 201 may be selected from a plurality of types. The substrate 201 may be a fully transparent substrate and the primer layer 208 may be screen printed with translucent ink on the surface of the substrate 201. In some embodiments, the color of the base color layer 208 may be the same as or close to the external color of the home appliance in which the display film 200 is used, for example, the same as or close to the panel color of the home appliance display screen of the home appliance, to color coordinate the appearance of the home appliance. In one example, the ground color layer 208 is black or silver. As shown in fig. 4 (3), a color icon A, B, C, D is formed on the side of the base color layer 208 facing away from the substrate 201 by four-color printing. The color icons A, B, C, D are hidden color icons because the base color layer 208 is translucent.

In one embodiment, the primer layer 208 is at least partially formed on a side of the additional icon E facing away from the substrate 201. In another embodiment, the ground color layer 208 avoids the additional icon E, which is offset from the ground color layer 208 and does not overlap.

As shown in fig. 4 (4), the background layer 202 is printed on the region of the base color layer 208 outside the color icon A, B, C, D. The background layer 202 may make the colored icons A, B, C, D appear visible and may make the appearance coordinated. The background layer 202 may be formed by screen printing. The background layer 202 may be an opaque light blocking layer. The background layer 202 is similar to the background layer 102 shown in fig. 1 and will not be described again.

In another embodiment, the background layer 202 is formed between the base color layer 208 and the substrate 201, with the color icons A, B, C, D being offset from the background layer 202. The background layer 202 is formed on the substrate 201 leaving a desired area for the color icon A, B, C, D, the ground color layer 208 is formed on the background layer 202 and the area of the substrate 201 leaving the color icon A, B, C, D, and the color icon A, B, C, D is formed on the ground color layer 208. The color icon A, B, C, D does not overlap the background layer 202.

In another embodiment, the background layer 202 is formed on the substrate 201, and the under color layer 208 and the color icons A, B, C, D are both offset from the background layer 202, so that the material of the under color layer 208 can be saved. The under color layer 208 and the color icon A, B, C, D overlap, the color icon A, B, C, D is located on a side of the under color layer 208 facing away from the substrate 201, and in order to hide the color icon, neither the under color layer 208 nor the color icon A, B, C, D overlap the background layer 202.

In another embodiment, the substrate 201 is a translucent substrate and the hidden color icons are formed on the translucent substrate 201. The under color layer 208 may be omitted, the color icon layer 203 may be directly formed on the surface of the substrate 201, or the background layer 202 may be directly formed on the surface of the substrate 201, thereby simplifying the process.

Similar to the light diffusing layer 104 shown in fig. 1 and 2, in the embodiment shown in fig. 4 and 5, a translucent light diffusing layer 204 may be screen printed on the side of the color icons A, B, C, D facing away from the substrate 201, as shown in fig. 4 (5), as described in detail above.

Similar to the embodiments described above, the thickness of the color icons A, B, C, D does not exceed the thickness of the background layer 202. In one embodiment, the thickness of the color icons A, B, C, D is less than the thickness of the background layer 202. The side of the light-diffusing layer 204 facing away from the color icons A, B, C, D is flush with the side of the background layer 202 facing away from the substrate 201. The specific description is referred to above and will not be repeated here.

Fig. 6 is a schematic view of a manufacturing process of another embodiment of the display film 300 according to the present application. Fig. 7 is a cross-sectional view of the display film 300 shown in fig. 6 along line A3-A3. The embodiment shown in fig. 6 and 7 is similar to the embodiment shown in fig. 1 and 4. In the embodiment shown in fig. 6 and 7, the color icons of color icon layer 303 include visible color icons A, B and hidden color icons C, D.

In fig. 6, fig. 1, a visible color icon A, B of a color icon layer 303 is formed on a substrate 301 by four-color printing. The substrate 301 is a fully transparent substrate. In one embodiment, an additional icon E is provided on the substrate 301. In one embodiment, the visible color icon A, B may be formed first, followed by the additional icon E. In another embodiment, the additional icon E may be formed first, followed by the visible color icon A, B.

Further screen printing of the base color layer 308 beyond the color icons A, B is visible on the substrate 301, as shown in fig. 6, panel (2). In the embodiment shown in fig. 6 and 7, the ground color layer 308 avoids the additional icon E. In other embodiments, the ground color layer 308 may cover the additional icon E. In the embodiment shown in fig. 6 and 7, the ground color layer 308 is offset from the visible color icons A, B, the light illuminating the visible color icons A, B is not attenuated by the ground color layer 308, and the visible color icons A, B are illuminated with a high brightness and are more clear. The visible color icons A, B are embedded within the base color layer 308, consistent with the thickness of the base color layer 308.

Further, a hidden color icon C, D is four-color printed on the base color layer 308, as shown in fig. 6 (3). The background layer 302 is screen printed further beyond the hidden color icons C, D on the base color layer 308. The background layer 302 is beyond the visible color icons A, B and the hidden color icons C, D as shown in fig. 6, fig. 4. The light diffusing layer 304 is further printed over the visible color icons A, B and the hidden color icons C, D.

The thickness of the hidden color icon C, D does not exceed the thickness of the background layer 302. The side of the light diffusing layer 304 facing away from the substrate 301 is flush with the side of the background layer 302 facing away from the substrate 301. The detailed description of the embodiments shown in fig. 6 and 7 is referred to above in connection with the description, and is not repeated here.

Fig. 8 shows a cross-sectional view of another embodiment of a display film 1200. The embodiment shown in fig. 8 is similar to the embodiment shown in fig. 7. In contrast to the embodiment of fig. 7, in the embodiment of fig. 8, the ground color layer 1208 is at least partially disposed on the side of the visible color icon a facing away from the substrate 1201, and the ground color layer 1208 attenuates the light intensity such that the intensity of light transmitted from the visible color icon a is substantially similar and more uniform to the intensity of light transmitted from the hidden color icon C. The light diffusion layer 1204 corresponding to the visible color icon a is disposed on the surface of the base color layer 1208 facing away from the substrate 1201, and corresponds to the region of the visible color icon a. The light-diffusing layer 1204 corresponding to the hidden color icon C may be directly disposed on a surface of the hidden color icon C facing away from the substrate 1201.

Fig. 9 is an exploded perspective view of one embodiment of a home appliance display 400 of the present application. Fig. 10 is a side exploded view of the home appliance display 400 shown in fig. 9. The home appliance display screen 400 includes backlight lamps 420 to 423 and a display film 100.

One or more backlights 420-423 may be provided, where the position of the backlights 420-423 corresponds to the position of the color icon A, B, C, D, and light emitted from the backlights 420-423 irradiates the color icon A, B, C, D to illuminate the color icon A, B, C, D. The backlight lamps 420-423 may emit white light. The number of backlights 420-423 may be consistent with the number of color icons A, B, C, D and may be in a one-to-one correspondence.

In one embodiment, the home appliance display 400 further includes a stand 401, the stand 401 is provided with through holes 410-413, the backlight 420-423 and the display film 100 are located on opposite sides of the stand 401, and the backlight 420-423 and the color icons A, B, C, D of the display film 100 correspond to the through holes 410-413, so that the assembly is simple and convenient. The support 401 may be formed with one or more through holes 410-413, and the number of through holes 410-413 may be identical to the number of color icons A, B, C, D of the color icon layer 103 and may correspond one-to-one.

The through holes 410-413 allow the backlights 420-423 and the color icon A, B, C, D to be out of position so that the light emitted from the backlights 420-423 can be irradiated onto the color icon A, B, C, D, thereby lighting the color icon A, B, C, D. The through holes 410-413 may be spaced apart from each other to separate the backlight lamps 420-423 from each other, so that the light emitted from the backlight lamps 420-423 is irradiated onto the corresponding color icon A, B, C, D, thereby avoiding mutual influence.

In one embodiment, the home appliance display 400 further comprises a circuit board 402, the circuit board 402 being fixed to one side of the stand 401, the backlights 420-423 being mounted to the circuit board 402, the display film 100 being located on a side of the stand 401 facing away from the circuit board 402. The circuit board 402 stabilizes the backlight 420-423 and may provide a tidy arrangement. The flat cable may be routed on the circuit board 402 or formed directly on the circuit board 402 so that the flat cable is neat. The circuit board 402 and the display film 100 are positioned on opposite sides of the stand 401, and the stand 401 can perform a supporting and fixing function. In one embodiment, circuitry (not shown) for controlling the backlights 420-423 may be provided on the circuit board 402.

In some embodiments, the home appliance display 400 includes a panel 403, the panel 403 being disposed on a side of the display film 100 facing away from the backlights 420-423. In one embodiment, the panel 403 is positioned on a side of the stand 401 facing away from the circuit board 402, and the display film 100 is positioned between the panel 403 and the stand 401. The back surface of the display film 100 faces the stand 401, and the panel 403 covers the front surface of the display film 100. The panel 403 may protect and support the display film 100, facilitating the fixed assembly of the display film 100. The substrate of display film 100 may be a flexible film. The panel 403 is translucent or fully transparent. In the embodiment shown in fig. 9 and 10, the panel 403 comprises a translucent PC (Polycarbonate) panel. The translucent PC panel may obscure some of the components behind the PC panel, making the color icon clear. The PC panel has good light transmittance and high light transmittance, so that the color icons are clear.

In some embodiments, display film 100 is adhered to stand 401. The display film 100 may be adhered to the side of the stand 401 facing the panel 403. The display film 100 is adhered to the stand 401, so that the adhesion is convenient, the shape of the panel 403 is not affected, and the shape of the panel 403 can be a plane or a non-plane. In another embodiment, display film 100 is adhered to panel 403. The display film 100 may be adhered to a side of the panel 403 facing the stand 401. The display film 100 is attached to the panel 403 more clearly. For the non-planar panel 403, the display film 100 is attached to the panel 403, and the non-planar panel 403 can be attached as much as possible, so that the color icons are more clearly seen from the side of the panel 403 facing away from the display film 100.

The display film in the embodiment shown in fig. 9 may be the display film 100 shown in fig. 1 and 2. In other embodiments, the display film of the home appliance display screen 400 may be the display film 200 or 300 or 1200 shown in fig. 4-8, or the display films of other embodiments described above.

In one embodiment, the display film is the display film 100 shown in FIG. 1, and the color icons A, B, C, D are visible color icons. Fig. 11 and 12 are schematic views of different operating states of the display film 100 from the first side 111 of the substrate 101 of the display film 100. Color icons A, B, C, D are visible when backlights 420-423 are not energized and are not illuminated, as shown in FIG. 11. In one embodiment, when backlights 420-423 are energized, the corresponding color icons A, B, C, D are illuminated and transmit light. In some embodiments, one or more backlights 420-423 may be controlled to illuminate or blink to cause a corresponding color icon A, B, C, D to illuminate or blink, indicating that the corresponding color icon A, B, C, D is selected.

As shown in fig. 12, the backlight 420 (shown in fig. 9) corresponding to the color icon a is turned on, and the color icon a is turned on, which indicates that the color icon a is selected. In one embodiment, the colored icon a lights up may indicate that the home appliance is performing the function corresponding to the colored icon a. In another embodiment, the color icon a may flash. In some embodiments, the colored icon A, B, C, D illuminated may represent one operational state of the household appliance, such as one state of the selected function but not beginning of operation, end of operation, and being in operation, and the colored icon A, B, C, D flashing may represent another operational state, such as another state of the selected function but not beginning of operation, end of operation, and being in operation. The additional icon E is not illuminated by the light and is visible on the first side 101 of the substrate 101.

In another embodiment, the display film of the home appliance display screen 400 is the display film 200 shown in fig. 4, and the color icons A, B, C, D are hidden color icons. Fig. 13-15 are schematic views of different operating states of the display film 200 from the first side 211 of the substrate 201 of the display film 200. Color icons A, B, C, D are not visible when backlights 420-423 are not energized and are not on, as shown in FIG. 13. The additional icon E is not illuminated by the light and is visible on the first side 101 of the substrate 101.

When backlights 420-423 are energized, the corresponding color icons A, B, C, D are illuminated. In some embodiments, one or more backlights 420-423 may be controlled to illuminate or blink to cause a corresponding color icon A, B, C, D to illuminate or blink, indicating that the corresponding color icon A, B, C, D is selected. In one embodiment, as shown in FIG. 14, a plurality of backlights 420-423 are all lit and a plurality of color icons A, B, C and D are all lit. In one embodiment, as shown in fig. 15, the backlight 420 corresponding to color icon a blinks, and color icon a blinks, indicating that color icon a is selected. In another embodiment, the selected color icon may light up or flash and the other color icons may not light up.

In another embodiment, the display film of the home appliance display screen 400 is the display film 300 shown in fig. 6, the color icon A, B is a visible color icon, and the color icon C, D is a hidden color icon. Fig. 16-19 are schematic views of different operating states of the display film 300 from the first side 311 of the substrate 301 of the display film 300. When backlights 420-423 are not energized and are not on, color icon A, B is visible and color icon C, D is not visible, as shown in FIG. 16.

When the backlights 420-423 are energized, the corresponding color icons A, B, C, D are illuminated, and the hidden color icons appear. In some embodiments, one or more backlights 420-423 may be controlled to illuminate or blink to cause a corresponding color icon A, B, C, D to illuminate or blink, indicating that the corresponding color icon A, B, C, D is selected. In one embodiment, when the visible color icon A, B is selected, the corresponding backlight 420, 421 is controlled to illuminate. When the hidden color icon C, D is selected, the backlights 422 and 423 are controlled to blink. In another embodiment, when the visible color icon A, B is selected, the corresponding backlight 420, 421 is controlled to flash. In another embodiment, the visible color icon A, B may light up and flash, and the visible color icon A, B lights up and flash respectively to indicate different operating states.

In one embodiment, as shown in fig. 17, after the home appliance display 400 is powered on, the backlights 422 and 423 (shown in fig. 5) corresponding to the hidden color icons C, D are turned on, so that the hidden color icons C, D appear, and the user can see the color icons A, B, C, D and make a selection. When the visible color icon a is selected, the color icon a lights up as shown in fig. 18. In another embodiment, the color icon a blinks when the visible color icon a is selected. In one embodiment, when the hidden color icon C is selected, the hidden color icon C blinks, as shown in FIG. 19.

In another embodiment, the display film of the home appliance display screen 400 may be the display film 1200 shown in fig. 8, and the operation state may be similar to the display film 300 shown in fig. 6, as described in detail above.

Fig. 20 is an exploded perspective view of another embodiment of a home appliance display 500. Fig. 21 is a side exploded view of the home appliance display screen 500 shown in fig. 20. The home appliance display screen 500 shown in fig. 20 and 21 is similar to the home appliance display screen 400 shown in fig. 9 and 10. In comparison with the home appliance display screen 400 shown In fig. 9 and 10, the display film 100 of the home appliance display screen 500 shown In fig. 20 and 21 is formed on the injection molding 503 by an In-Mold Decoration (IMD). The injection molding member 503 may support the display film 100, omitting the assembly process of the display film 100, and simplifying the assembly process. In one embodiment, display film 100 is located on a side of injection molded part 503 facing away from bracket 401, and injection molded part 503 and display film 100 are assembled together in bracket 401. The injection molding 503 is fully transparent or translucent.

In other embodiments, the display film of the home appliance display screen 500 may be the display film 200, 300, 1200 described above or the display film of other embodiments. The operation state of the home appliance display screen 500 may be referred to as described above.

Fig. 22 is an exploded perspective view of another embodiment of a home appliance display screen 600. The home appliance display screen 600 shown in fig. 22 is similar to the home appliance display screen 500 shown in fig. 20 and 21. Compared to the home appliance display screen 500 shown in fig. 20 and 21, the substrate of the display film 100 of the home appliance display screen 600 shown in fig. 22 includes a PVC substrate or a glass substrate, has a certain strength and thickness, and is not easily deformed by bending. In one embodiment, display film 100 may be assembled directly to one side of stand 401 and the panel may be omitted.

Fig. 23 is an exploded perspective view of another embodiment of a home appliance display screen 700. The home appliance display screen 700 shown in fig. 23 is similar to the home appliance display screen 400 shown in fig. 9 and 10. Compared to the home appliance display screen 400 shown in fig. 9 and 10, the home appliance display screen 700 shown in fig. 23 includes touch switching elements 724-727 electrically connected to the circuit board 702, and the circuit board 702 is electrically connected to the backlight 720-723, so that the home appliance display screen 700 can display and touch operations, which is convenient for a user to operate. By touching the touch switches 724-727 from the surface of the home appliance display screen 700, touch control of the backlights 720-723 can be achieved. The corresponding backlights 720-723 may be turned on, off, or flashing by touching the surface of the home appliance display screen 700 at a location corresponding to the color icon A, B, C, D.

In the embodiment shown in FIG. 23, touch switches 724-727 may include elastic members extending from circuit board 702 toward display film 100. In one embodiment, the elastic member extends from the circuit board 702 through the through holes 410-413 of the bracket 401 toward the display film 100, presses the surface of the display screen 700 of the home appliance, and presses the elastic member to change the state of the backlight 720-723. The elastic member is low in cost and easy to implement, and can implement touch operations of surfaces (planar or non-planar) of different shapes of the home appliance display screen 700. The elastic member may be applied when the panel of the home appliance display screen 700 is planar or non-planar, or when the hard substrate (e.g., glass substrate or PVC substrate) of the home appliance display screen 700 is planar or non-planar, the end portion may abut or approach the color icon A, B, C, D, and the color icon A, B, C, D may be touched after being pressed. The size of the colored icon A, B, C, D is larger than the size of the end of the elastic member that is near the colored icon A, B, C, D.

In one embodiment, the circuit board 702 is provided with a switch (not shown) coupled to the backlight 720-723, and the resilient member may be coupled to the switch, and depressing the resilient member may trigger the switch, thereby controlling the backlight 720-723. The elastic members may correspond to the backlights 720 to 723 and the color icons A, B, C, D, and pressing the color icon A, B, C, D may control the corresponding backlights 720 to 723. In one embodiment, the resilient member includes a spring that surrounds the backlights 720-723 to prevent blocking of the light from the backlights 720-723 that impinges on the display film 100.

In the embodiment shown in fig. 23, the front surface of the display film 100 is covered with a panel 403, and the detailed description is described above, and will not be repeated here. In other embodiments, the display film may be the display film 200, 300, 1200 or the display film of other embodiments above.

Fig. 24 is an exploded perspective view of another embodiment of a display 800 of a household appliance. The home appliance display screen 800 shown in fig. 24 is similar to the home appliance display screen 700 shown in fig. 23. The home appliance display screen 800 shown in fig. 24 includes touch switches 724-727 electrically connected to the circuit board 702, similar to the embodiment shown in fig. 23, and will not be described again. In comparison to the home appliance display screen 700 shown in figure 23,

The display film 100 of the home appliance display screen 800 shown in fig. 24 is formed on the injection molded part 503 by an in-mold decoration technique, and the related description is described above.

In another embodiment, the display film is a display film in which the substrate is a PVC substrate or a glass substrate, as described in detail above.

Fig. 25 shows a schematic side exploded view of another embodiment of a home appliance display 900. The home appliance display screen 900 shown in fig. 25 is similar to the home appliance display screen 400 shown in fig. 9 and 10. In comparison to the home appliance display 400 shown in fig. 9 and 10, the home appliance display 900 shown in fig. 25 includes a touch switch member electrically connected with the circuit board 402. In the embodiment shown in fig. 25, the touch switch member includes a touch film 905, is sensitive in response, has a good touch effect, transmits light through the touch film 905, is less in shading of color icons, and is not limited in size. The touch film 905 is electrically connected to the circuit board 402, and an electrical signal generated after the touch film 905 is touched can be transmitted to the circuit board 402, and the circuit board 402 generates a corresponding control signal to control the backlight lamps 420 and 422.

In one embodiment, touch film 905 is positioned on the side of display film 100 facing away from backlights 420, 422. Touch film 905 is positioned on the front side of display film 100. Touch film 905 may sense touch more sensitively. Touch film 905 is positioned on the side of display film 100 facing away from stand 401. Display membrane 100 is positioned between touch membrane 905 and stand 401. In the embodiment shown in FIG. 25, one side of touch film 905 covers panel 403. In one embodiment, touch film 905 may be affixed to panel 403. The display film 100 may be adhered to the stand 401. In another embodiment, touch film 905 is positioned on the side of display film 100 facing backlights 420, 422. Touch film 905 is positioned on the back of display film 100. Touch film 905 is positioned between stand 401 and display film 100. The touch film 905 is short wired to the circuit board 402, facilitating wiring. In one embodiment, touch film 905 and display film 100 are provided separately, each formed on a different substrate.

In other embodiments, the display film may be the display film 200, 300, 1200 or the display film of other embodiments above.

Fig. 26 is a side exploded view of another embodiment of a home appliance display 1000. The home appliance display 1000 shown in fig. 26 is similar to the home appliance display 900 shown in fig. 25. Compared with the home appliance display screen 900 shown in fig. 25, the touch film 1005 and the display film 1010 of the home appliance display screen 1000 shown in fig. 26 share a substrate, so that materials can be saved, costs can be saved, assembly can be reduced, and thickness can be reduced. A color icon layer of the display film 1010 is formed on one surface of the substrate, and a conductive layer of the touch film 1005 is formed on the other surface of the substrate. In one embodiment, display film 1010 is on the side of touch film 1005 facing away from the backlight. In another embodiment, touch film 1005 is on the side of display film 1010 facing away from the backlight.

Fig. 27 is a side exploded view of another embodiment of a home appliance display 1100. The home appliance display 1100 shown in fig. 27 is similar to the home appliance display 1000 shown in fig. 26. In comparison with the home appliance display screen 1000 shown in fig. 26, the display film 100 of the home appliance display screen 1100 shown in fig. 27 is formed on the injection molded member 503 by an in-mold decoration technique, and the related description is described above. A touch membrane 905 is positioned between the injection molding 503 and the support 401. In one embodiment, touch film 905 may be adhered to the side of holder 401 facing injection molded part 503. In another embodiment, touch film 905 may be adhered to the side of injection molded part 503 facing away from display film 100.

In another embodiment, the display film is a display film in which the substrate is a PVC substrate or a glass substrate, as described in detail above. Touch film 905 is positioned between the display film and the stand 401.

Fig. 28 is a perspective view schematically showing an embodiment of the home appliance 10. In one embodiment, the household appliance 10 comprises a food processor. In some embodiments, the food processor may include at least one of a blender, an electric rice cooker, a pressure cooker, a water kettle, a coffee maker, a roaster, and a microwave oven. The stirrer may include at least one of a broken food processor, a soymilk machine, a juice extractor, and a supplementary food machine. The pressure cooker may include at least one of a pressure cooker and an induction cooker. In other embodiments, the food processor may also include other food processing devices. In other embodiments, the household appliance 10 may include a refrigerator, a washing machine, an air conditioner, a range hood, or the like.

The home appliance 10 includes a home appliance display 13. The home appliance display 13 may be the home appliance display of the above-described embodiment. The home appliance 10 may interact with a user through the home appliance display 13.

In the illustrated embodiment, the household appliance 10 is a food processor, including a main machine 11 and a food processor 12. The host 11 can control the operation of the food processing machine and can provide electric energy required by the operation of the food processing machine. Food materials can be contained in the cooking utensil 12, and the food materials are cooked in the cooking utensil 12. Cooking appliance 12 may include a cup assembly and/or a cooking pan. In some embodiments, the host 11 is in the form of a stand, and the cooking appliance 12 may be placed on the host 11. The home appliance display 13 may be provided to the host 11. In some embodiments, the food processor 10 includes a lid assembly 14 that may be placed over the food processor 12.

In other embodiments, the host 11 may be located within the cap assembly 14. In other embodiments, the home appliance display 13 may be provided to the cover assembly 14.

Fig. 29 is a flow chart illustrating one embodiment of the method 20 of making the present application. The method 20 is used to make a display film for a display screen of a household appliance, such as the display films 100, 200, 300, 1200 described above or other embodiments. The method of making 20 includes steps 21 and 22.

In step 21, at least one color icon comprising a plurality of different colors is formed on a first side of a fully transparent or translucent substrate. In step 22, a background layer is formed over the first side of the substrate outside the area of the color icon. In some embodiments, after the color icons are formed, a background layer is formed. The color icons may be formed first and then the background layer may be formed outside the area of the color icons. Therefore, a complete color icon can be formed, the color icon is not influenced by the background layer, and the problem that the color icon is blocked at one surface facing the substrate due to tolerance when the background layer is formed under the condition that the background layer is formed first is avoided. For the visible color icons, the complete pattern can be seen from the first side of the substrate, and the appearance is more attractive. In other embodiments, the background layer may be formed first, leaving the area required for the color icons, and then the color icons may be formed.

In some embodiments, a plurality of color icons are formed in a spaced apart arrangement.

In some embodiments, at least one colored icon is formed having a thickness that does not exceed the thickness of the background layer. In some embodiments, at least one color icon is formed having a thickness less than the thickness of the background layer.

In some embodiments, an astigmatism layer is formed on a side of the color icon facing away from the substrate. In some embodiments, the light diffusing layer is formed with a side facing away from the color icons that is flush with a side of the background layer facing away from the substrate. In some embodiments, a background layer may be formed first, followed by a light diffusing layer over the colored icons. In other embodiments, the light diffusing layer may be formed first, followed by the formation of the background layer.

In some embodiments, the color icons include visible color icons; a visible color icon is formed on the first side of the substrate. The visible color icons appear on a second side of the substrate opposite the first side in the absence of backlight illumination. In some embodiments, the substrate is fully transparent and a visible color icon is formed on the first side of the substrate that is attached to the first side. In some embodiments, a background layer is formed on the first side of the substrate that adheres to the first side. The thickness of the visible color icons does not exceed the thickness of the background layer.

In some embodiments, the color icons include hidden color icons. On the first side of the substrate, a hidden color icon is formed. The hidden color icons are hidden on a second face of the substrate opposite to the first face under no backlight illumination, and are displayed on the second face under backlight illumination.

In some embodiments, a translucent base color layer is formed on a first side of a substrate; a hidden color icon is formed on one surface of the base color layer, which is opposite to the base material. In some embodiments, a background layer is formed on a side of the base color layer facing away from the substrate. In other embodiments, a background layer is formed on a first side of a substrate; the background layer is formed on the surface facing away from the substrate and is provided with a base color layer.

In some embodiments, the color icons include visible color icons. Forming a visible color icon on a first side of the substrate; the visible color icons appear on a second side of the substrate opposite the first side in the absence of backlight illumination. In some embodiments, the base color layer is outside the region of the visible color icon; or forming a base color layer outside the region of the visible color icons and on the side of the visible color icons facing away from the base material.

In other embodiments, the substrate is translucent and the hidden color icons are formed on the translucent substrate.

In some embodiments, a background layer is screen printed on a substrate; and/or, four-color printing on the substrate to form a color icon. In some embodiments, the background layer may be screen printed after the color icons are formed on the substrate by four-color printing.

In some embodiments, the color icon includes a plurality of regions forming a color icon having at least two regions of different colors and being translucent. In some embodiments, a color icon is formed in which each of the plurality of regions is translucent.

In some embodiments, the method of making comprises: an opaque additional icon is formed on the surface of the substrate.

The order of the steps of the fabrication method 20 is not limited to that described above and may be performed in a different order. The acts of the fabrication method 20 are illustrated in block form and the order of the blocks and the division of the acts among the blocks illustrated in fig. 29 are not limited to the illustrated embodiments. For example, modules may be performed in a different order; acts in one module may be combined with acts in another module or split into multiple modules. In some embodiments, other steps may be present before, after, or intermediate to the steps of the fabrication method 20.

For method embodiments, reference is made to the description of device embodiments for the relevant points, since they essentially correspond to the device embodiments. The method embodiments and the device embodiments complement each other.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the application.

Claims

1. A display film for a display screen of a household appliance, comprising:

A substrate (101) that is fully transparent or translucent and comprises a first face (111) and a second face (112) opposite to said first face (111);

A plurality of color icons arranged on the first surface (111) of the substrate (101) at intervals, wherein at least one color icon comprises a plurality of different colors; the color icons include hidden color icons formed on the first side (111) of the substrate (101), the hidden color icons being hidden under no backlight illumination and appearing under backlight illumination on the second side (112) of the substrate (101); the color icon comprises a plurality of areas, and at least two areas are different in color and semitransparent; and

A background layer (102) disposed on the first surface (111) of the substrate (101) and located outside the region of the color icon; at least one of the colored icons has a thickness not exceeding the thickness of the background layer (102).

2. The display film of claim 1, wherein: at least one of the colored icons has a thickness less than a thickness of the background layer (102).

3. The display film according to claim 1 or 2, wherein: the display film comprises a light scattering layer (104), and the light scattering layer (104) is arranged on one surface of the color icons, which is opposite to the base material (101).

4. A display film according to claim 3, wherein: the surface of the light scattering layer (104) facing away from the color icons is flush with the surface of the background layer (102) facing away from the substrate (101).

5. The display film of claim 1, wherein: the colored icons include a visible colored icon formed on the first side (111) of the substrate (101), the visible colored icon appearing on the second side (112) of the substrate (101) without backlight illumination.

6. The display film of claim 5, wherein: the substrate (101) is fully transparent, and the visible color icons are attached to the first face (111) of the substrate (101).

7. The display film of claim 6, wherein: the background layer (102) is attached to the first face (111) of the substrate (101), the thickness of the visible color icon not exceeding the thickness of the background layer (102).

8. The display film of claim 1, wherein: the display film includes a translucent base color layer (208) formed on the first side (111) of the substrate (101), the hidden color icons being formed on a side of the base color layer (208) facing away from the substrate (101).

9. A display film as recited in claim 8, wherein: the colored icons include a visible colored icon formed on the first side (111) of the substrate (101), the visible colored icon appearing on the second side (112) of the substrate (101) without backlight illumination.

10. The display film of claim 9, wherein: the base color layer (208) is offset from the visible color icons, or the base color layer (208) is at least partially on a side of the visible color icons facing away from the substrate (101).

11. The display film of claim 1, wherein: the background layer (102) includes an opaque light blocking layer.

12. The display film of claim 1, wherein: the background layer (102) is formed on the substrate (101) by screen printing and/or the color icons are formed on the substrate (101) by four-color printing.

13. The display film of claim 1, wherein: the plurality of regions of the colored icons are all translucent.

14. The display film of claim 1, wherein: the display film includes an opaque additional icon formed on a surface of the substrate (101).

15. A display screen for a household appliance, characterized in that it comprises:

a backlight; and

The display film of any one of claims 1-14.

16. The home appliance display of claim 15 wherein: the household appliance display screen comprises a panel (403), wherein the panel is arranged on one surface of the display film, which is opposite to the backlight; or (b)

The household appliance display screen comprises an injection molding piece (503), and the display film is formed on the injection molding piece (503) through an in-mold decoration technology.

17. The home appliance display of claim 15 wherein: the household appliance display screen comprises a circuit board and a touch switch piece electrically connected with the circuit board, and the circuit board is electrically connected with the backlight lamp.

18. The home appliance display of claim 17 wherein: the touch switch member includes an elastic member extending from the circuit board toward the display film, or the touch switch member includes a touch film (905).

19. A household appliance, characterized in that it comprises:

the home appliance display of any one of claims 15-18.

20. A method for manufacturing a display film for a display screen of a household appliance, comprising:

Forming at least one colored icon comprising a plurality of different colors on a first side (111) of a fully transparent or translucent substrate (101); the color icons include hidden color icons; the color icon includes a plurality of regions; and

Forming a background layer (102) outside the area of the color icon on the first face (111) of the substrate (101);

the forming at least one colored icon comprising a plurality of different colors comprises:

forming at least one of said colored icons having a thickness not exceeding the thickness of said background layer (102);

-forming said hidden colour icon on said first face (111) of said substrate (101); the hidden color icons are hidden on a second face (112) of the substrate (101) opposite to the first face (111) under no backlight illumination, and are displayed on the second face (112) under backlight illumination;

the color icons of at least two of the areas are formed in different colors and are semi-transparent.

21. The method of manufacturing as claimed in claim 20, wherein: the forming at least one colored icon comprising a plurality of different colors comprises: and forming a plurality of color icons which are distributed at intervals.

22. The method of manufacturing as claimed in claim 20, wherein: the forming at least one colored icon comprising a plurality of different colors comprises: at least one of the colored icons is formed to have a thickness less than the thickness of the background layer (102).

23. The method of manufacturing as claimed in claim 20, wherein: the manufacturing method comprises the following steps: an astigmatism layer (104) is formed on a side of the color icon facing away from the substrate (101).

24. The method of manufacturing as claimed in claim 23, wherein: the forming of the light diffusing layer (104) includes: the light diffusion layer (104) is formed on the surface facing away from the color icons and the surface of the background layer (102) facing away from the substrate (101).

25. The method of manufacturing as claimed in claim 20, wherein: the color icons include visible color icons; the forming at least one colored icon comprising a plurality of different colors comprises: -forming said visible colour icon on said first face (111) of said substrate (101); the visible color icons appear on a second face (112) of the substrate (101) opposite the first face (111) in the absence of backlight illumination.

26. The method of manufacturing as claimed in claim 25, wherein: the substrate (101) is fully transparent, the forming the visible color icons comprising: -forming said visible coloured icon attached to said first face (111) on said first face (111) of said substrate (101).

27. The method of manufacturing as set forth in claim 26, wherein: the forming a background layer (102) comprising: forming a background layer (102) attached to the first surface (111) on the first surface (111) of the base material (101); the thickness of the visible color icon does not exceed the thickness of the background layer (102).

28. The method of manufacturing as claimed in claim 20, wherein: the manufacturing method comprises the following steps: forming a translucent base color layer (208) on the first face (111) of the substrate (101);

the forming the hidden color icon includes: the hidden color icons are formed on a side of the base color layer (208) facing away from the substrate (101).

29. The method of manufacturing as set forth in claim 28, wherein: the forming a background layer (102) comprising: a background layer (102) is formed on a side of the base color layer (208) facing away from the substrate (101).

30. The method of manufacturing as set forth in claim 28, wherein: the forming a background layer (102) comprising: forming the background layer (102) on a first side (111) of the substrate (101);

The forming of the translucent base color layer (208) comprises: and a background layer (102) formed on the surface facing away from the base material (101) and on the primer layer (208).

31. The method of manufacturing as set forth in claim 28, wherein: the color icons include visible color icons; the forming at least one colored icon comprising a plurality of different colors comprises: -forming said visible colour icon on said first face (111) of said substrate (101); the visible color icons appear on a second face (112) of the substrate (101) opposite the first face (111) in the absence of backlight illumination.

32. The method of manufacturing as claimed in claim 31, wherein: the forming of the translucent base color layer (208) comprises: forming the ground color layer (208) outside the region of the visible color icon; or (b)

The under-color layer (208) is formed outside the region of the visible color icon and on a side of the visible color icon facing away from the substrate (101).

33. The method of manufacturing as claimed in claim 20, wherein: the substrate (101) is translucent, the forming the hidden color icon comprising: -forming said hidden color icons on said semi-transparent substrate (101).

34. The method of manufacturing as claimed in claim 20, wherein: the forming a background layer (102) comprising: -screen printing the background layer (102) on the substrate (101); and/or the number of the groups of groups,

The forming at least one colored icon comprising a plurality of different colors comprises: the color icons are formed on the substrate (101) by four-color printing.

35. The method of manufacturing as claimed in claim 20, wherein: the forming the color icons of at least two of the areas that are different in color and semi-transparent includes: the color icons are formed in which a plurality of areas are translucent.

36. The method of manufacturing as claimed in claim 20, wherein: the manufacturing method comprises the following steps: an opaque additional icon is formed on the surface of the substrate (101).

37. The method of any one of claims 20 or 34-35, wherein: after the color icons are formed, the background layer is formed.